以下为句子列表：
英文: 4 In fact , it creates a more concentrated residue that may be more hazardous to water supplies than unburned solid wastes .
中文: 事实上,相比不焚烧固体废物,它制造了一个对水源有更多威胁的方式.
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英文: A device for burning or chemically altering unburned or partially burned carbon compounds in exhaust gases.
中文: 排气后燃器用以充分燃烧或从化学上改变废气中未完全燃烧或部分燃烧的含碳化合物的设备
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英文: A sun-dried, unburned brick of clay and straw.
中文: 风干土坯风干且未烧过的粘土与稻草做成的砖
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英文: Aimed at solving the problem that high content of unburned carbon is unfavourable for the comprehensive ultilization in scale of fly ash, the fundamental principle that separation of unburned carbon from fly ash is theoretically analyzed by wet flotation
中文: 针未燃炭含量过高不利对粉煤灰大规模综合利用的问题，从理论上分析了粉煤灰湿法浮选和干法电选分选未燃炭的基本原理，进行了三因素二水平正交浮选试验和二因素三水平的正交电选试验研究，得到了影响浮选和电选分选效果的主要因素及其规律.试验表明:采用湿法浮选法可获得精煤产率为7.34%，灰分为44.53%，分选效率为56.02%的分选效果；采用干法电选，选后粉煤灰的含碳量可降到3.16%，脱碳率达53.12%.
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英文: Alumina-magensia-carbon unburned bricks are new energy -stving refractory materials,which possess the advan-tages of carbon materials and magnesia - aluminum materials, having such good features as strong slag-resistane,scouring-resistance good heat -stab
中文: 铝镁碳不烧含碳衬砖和镁铝衬砖有较大的优点：具有抗渣性强、抗冲刷、热震稳定性好、不粘渣等优良特点，是一种新型耐火材料。
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